由美国国家标准技术研究所(NIST)于1997年开始启动并征集算法，在2000年确定采用Rijndael 作为其最终算法，对数据安全性有要求的可以采用，比ＤＥＳ安全-By the U.S. National Institute of Standards and Technology (NIST) started in 1997, and solicited their algorithm, in 2000, to determine the final adoption of Rijndael as its algorithm, data security requirements can be used with more than DES Safety